Declension table of ?upahantavya

Neuter	Singular	Dual	Plural
Nominative	upahantavyam	upahantavye	upahantavyāni
Vocative	upahantavya	upahantavye	upahantavyāni
Accusative	upahantavyam	upahantavye	upahantavyāni
Instrumental	upahantavyena	upahantavyābhyām	upahantavyaiḥ
Dative	upahantavyāya	upahantavyābhyām	upahantavyebhyaḥ
Ablative	upahantavyāt	upahantavyābhyām	upahantavyebhyaḥ
Genitive	upahantavyasya	upahantavyayoḥ	upahantavyānām
Locative	upahantavye	upahantavyayoḥ	upahantavyeṣu

Compound upahantavya -

Adverb -upahantavyam -upahantavyāt